# Radix Quarries

- **MSHA mine ID:** 0301232
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Carroll, AR
- **Operator:** Radix Carroll County
- **Controller:** Springfield Underground, Inc. DBA Erlen Group
- **Public source rows linked:** 1,493
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Springfield Underground, Inc. DBA Erlen Group (0145081) → Radix Carroll County (0188213) → Radix Quarries (0301232)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **T D  Russell → R & R Gravel Inc:** 1950-01-01 through 1991-03-17; derived from co-tenure at mine 0301232; source `msha-controller-operator-history`.
- **David E  Bailey  et al → Carroll County Stone Inc:** 1991-03-18 through 2023-03-31; derived from co-tenure at mine 0301232; source `msha-controller-operator-history`.
- **Springfield Underground, Inc. DBA Erlen Group → Radix Carroll County:** 2023-04-01 through current/open; derived from co-tenure at mine 0301232; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 32 since 2021:** Violations and penalties 123 violation rows across the full record; 12 carry an S&S flag and $22,825 appears in current assessed amounts.
3. **HEALTH — 87 samples:** Occupational health samples 82 personal; 5 area. 0 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 3K employee hours and 7 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 36 linked rows:** Contests, conferences and decisions 7 contested-violation rows, 9 civil-penalty docket/decision rows, and 20 conference records linked by issuance number.
6. **CONTRACTORS — 4 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 13 since 2021:** Inspections 68 inspection events and 1K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **30 CFR 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.5005 — Control of exposure to airborne contaminants.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5005
- **30 CFR 56.4601 — Oxygen cylinder storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4601
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2020-04-17 through 2020-04-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1976-03-03 through 1976-03-03; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 5 rows; 2010-02-03 through 2025-01-14; source ID `msha-area-samples`
- **Assessed Violations:** 122 rows; 2000-08-25 through 2026-05-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 9 rows; 2002-06-25 through 2022-08-26; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 20 rows; 2000-09-21 through 2022-06-13; source ID `msha-conferences`
- **Contested Violations:** 7 rows; 2008-11-04 through 2019-07-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 523 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 130 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 2023-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 68 rows; 2000-08-25 through 2026-05-04; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 317 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 82 rows; 2002-11-19 through 2026-05-06; source ID `msha-personal-health-samples`
- **Violations:** 123 rows; 2000-08-25 through 2026-05-05; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/radix-quarries-0301232`
- JSON: `/api/v1/mines/radix-quarries-0301232`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0301232/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0301232/relationships`
- MCP resource: `mine://0301232/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`